Home / 252,401.34-348,316.08-137,680.49

Finding the Fourth Proportional to 252,401.34, 348,316.08 and 137,680.49

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Solution

The fourth proportional to 252,401.34, 348,316.08 and 137,680.49 is: 190,000.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,401.34 : 348,316.08 = 137,680.49 : x
  2. Step 2: Convert to fraction form
    252,401.34/348,316.08 = 137,680.49/x
  3. Step 3: Cross multiply
    252,401.34x = 348,316.08 × 137,680.49
  4. Step 4: Simplify right side
    252,401.34x = 47,956,328,923.77
  5. Step 5: Solve for x
    x = 47,956,328,923.77/252,401.34
  6. Step 6: Final answer
    x = 190,000.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.